1 1/2" Head Diameter Grinding Bits

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System of Measurement

Shape

Shank Diameter

For Use On

Head Length

Grit

Arbor Hole Thread Size

Color

Surface Texture

Abrasive Material

Aluminum Oxide/Silicon Carbide Blend

Zirconia Alumina

Maximum Rotation Speed

Arbor Hole Size

Thread Size

Grit Rating

Rotation Speed

10,000 rpm to 19,999 rpm

20,000 rpm to 29,999 rpm

Material

Ceramic

Rubber

Synthetic Resin

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Abrasive Bond Material

REACH

RoHS

For Use With

Grinders for Bits and Burs

Straight Grinders

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Shape Number

Arbor Hole

32 Products

Grinding Cones for Straight Grinders


Style 1	Style 2	Style 3	Style 4	Style 5

Longer lasting than grinding bits, these abrasive cones remove heavy amounts of material and leave a rough surface texture. They have a threaded insert that attaches to the spindle on a straight grinder. Use in corners and inside castings.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Aluminum Oxide Abrasive—For use on steel, aluminum oxide is the most common abrasive used in grinding metals.

Zirconia Alumina Abrasive—For use on steel and stainless steel, zirconia alumina grinds faster and lasts longer than aluminum oxide.

Head Diameter—Head diameter is measured at the widest point.

		Head					Abrasive
	Style	Dia.	Lg.	Arbor Hole Thread Size	Max. Rotation Speed, rpm	Shape	Material	Bond Material	Choose a Grit (Surface Texture)		Each
For Steel



		1	1 1/2"	2 1/2"	3/8"-24	24,192	Cylinder	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A31	00000


		1	1 1/2"	2 1/2"	5/8"-11	24,192	Cylinder	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A63	0000
		1	1 1/2"	3"	3/8"-24	24,192	Cylinder	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A37	00000
		1	1 1/2"	3"	5/8"-11	24,192	Cylinder	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A65	00000
		2	1 1/2"	2 1/2"	3/8"-24	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A39	00000
		2	1 1/2"	2 1/2"	5/8"-11	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A74	00000
		3	1 1/2"	2 1/2"	3/8"-24	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A81	00000
		3	1 1/2"	2 1/2"	5/8"-11	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A44	00000
		3	1 1/2"	3"	3/8"-24	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A17	00000
		3	1 1/2"	3"	5/8"-11	24,192	Barrel	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A52	00000
		4	1 1/2"	3"	3/8"-24	24,192	Taper	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A19	00000


		5	1 1/2"	3"	3/8"-24	24,192	Taper	Aluminum Oxide	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A42	00000


		For Steel and Stainless Steel



				1	1 1/2"	2 1/2"	3/8"-24	24,192	Cylinder	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A35	00000


				1	1 1/2"	2 1/2"	5/8"-11	24,192	Cylinder	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A64	00000
				1	1 1/2"	3"	3/8"-24	24,192	Cylinder	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A38	00000
				1	1 1/2"	3"	5/8"-11	24,192	Cylinder	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A66	00000
				2	1 1/2"	2 1/2"	3/8"-24	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A41	00000
				2	1 1/2"	2 1/2"	5/8"-11	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A75	00000
				3	1 1/2"	2 1/2"	3/8"-24	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A82	00000
				3	1 1/2"	2 1/2"	5/8"-11	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A45	00000
				3	1 1/2"	3"	3/8"-24	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A18	00000
				3	1 1/2"	3"	5/8"-11	24,192	Barrel	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A53	00000
				4	1 1/2"	3"	3/8"-24	24,192	Taper	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A83	00000


				5	1 1/2"	3"	3/8"-24	24,192	Taper	Zirconia Alumina	Synthetic Resin	16 (Rough) Gray-Brown, 24 (Rough) Gray-Brown	8732A43	00000

Grinding Bits for Metals


Style 1	Style 2	Style 9	Style 20

Made of aluminum oxide, these bits are well suited for use on most metals and materials that are not heat sensitive.

Bits are also known as mounted points and die grinder bits. Head diameter is measured at the widest point.

Caution: As bit shank is exposed beyond _1/2", maximum safe rpm decreases significantly. Refer to ANSI standard B7.1. Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Cylinder


Style 1	Style 2

		Head				Abrasive
	Style	Dia.	Lg.	Max. Rotation Speed, rpm	Shape No.	Material	Bond Material	Shank Lg.	Choose a Grit (Surface Texture)	Pkg. Qty.		Pkg.
For Steel, Stainless Steel, and Iron







				1/4" Diameter Shank

				1	1 1/2"	1"	22,500	W237	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A247	000000


				1	1 1/2"	1 1/2"	15,600	W238	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A248	00000
				2	1 1/2"	1/4"	25,470	W235	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A245	00000
				2	1 1/2"	1/2"	25,470	W236	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A246	00000

Disc

Style 9

		Head				Abrasive
	Style	Dia.	Lg.	Max. Rotation Speed, rpm	Shape No.	Material	Bond Material	Shank Lg.	Choose a Grit (Surface Texture)	Pkg. Qty.		Pkg.
For Steel, Stainless Steel, and Iron







				1/4" Diameter Shank

				9	1 1/2"	3/8"	25,470	A43SS	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A267	000000

Flat-Top Cone

Style 20

		Head				Abrasive
	Style	Dia.	Lg.	Max. Rotation Speed, rpm	Shape No.	Material	Bond Material	Shank Lg.	Choose a Grit (Surface Texture)	Pkg. Qty.		Pkg.
For Steel, Stainless Steel, and Iron







				1/4" Diameter Shank

				20	1 1/2"	3/8"	25,470	A34	Aluminum Oxide	Vitrified Clay	1 1/2"	36 (Rough) Blue-Gray, 60 (Rough) Orange, 120 (Smooth) Blue	5	4522A272	000000

Rubber-Cushioned Abrasive Grinding Bits without Shank for Metals

Style 5

Bits attach to shanks so you can quickly switch head shapes without removing the shank. The abrasive grains are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits.

Bits are silicon carbide, which cuts through soft metals without generating much heat or causing material buildup. Head diameter is measured at the widest point.

Cylinder

Style 5

	Bits										Wheel Arbors
		Head				Abrasive
	Style	Dia.	Lg.	Arbor Hole Size	Max. Rotation Speed, rpm	Material	Bond Material	Choose a Grit (Surface Texture)		Each		Each
For Steel, Aluminum, Brass, and Bronze



		5	1 1/2"	1/2"	1/4"	15,000	Aluminum Oxide/Silicon Carbide Blend	Rubber	46 (Rough) Green, 120 (Smooth) Gray-Brown, 180 (Smooth) Red, 240 (Extra Smooth) Blue	4824A81	000000	4770A11	000000